Enter "PITA" as a name to unlock all cars, tracks, and modes except plastic mode. Enter "SUSIE!" as a name to unlock all cars, tracks, and modes including plastic mode. -From: yamahaofsa@stic.net and Rjur90@aol.com

Brian The Brain and Space world

Enter the character selection screen, select "Load" then enter "BRAINSALAD" as a name to unlock Brian The Brain and Space world. Alternately, win Smack Attack, Gate Relay, and Flag Relay in all three levels of the Space world.

Count Earl and Transylvania world

Enter the character selection screen, select "Load" then enter "EARLSPLACE" as a name to unlock Count Earl and Transylvania world. Alternately, win Smack Attack, Gate Relay, and Flag Relay in all three levels of the Transylvania world. -From: SecretAgentShrew@aol.com

T. Wrecks and Jungle world

Enter the character selection screen, select "Load" then enter "TWRECKSPAD" as a name to unlock T. Wrecks and Jungle world. Alternately, win Smack Attack, Gate Relay, and Flag Relay in all three levels of the Jungle world.

Whack Angus and Desert world

Enter the character selection screen, select "Load" then enter "WHACKLAND" as a name to unlock Whack Angus and Desert world. Alternately, unlock all modes (Smack Attack, Flag Rally, Gate Relay), then win all three levels in the Desert world in each one (total of nine). -From: SecretAgentShrew@aol.com

Melee weapons

Enter the character selection screen, select "Load" then enter "MELEEDEATH" as a name.

Hazard weapons

Enter the character selection screen, select "Load" then enter "HAZARDOUS" as a name.

Personal weapons

Enter the character selection screen, select "Load" then enter "UNIQUEWPNS" as a name.

Ranged weapons

Enter the character selection screen, select "Load", then enter "GUNSMOKE!" as a name.

Movement power-ups

Enter the character selection screen, select "Load", then enter "MOVEITNOW" as a name.

Plastic graphics

Enter the character selection screen, select "Load" then enter "FANPLASTIC" as a name. Enter the event selection screen and highlight "Smack Attack". Press Down and select the "Event Settings" button. Then, select the "Options" button and select the "Rendering Modes" button. Change this option to "Render: Plastic". The message "Current mode: plastic" will appear. Return to the even selection screen, then proceed to select a level and begin game play. To return to normal, repeat the steps and choose the cartoon renderer at the "Rendering Modes" screen.

Pen and ink graphics

Enter the character selection screen, select "Load" then enter "PENCILS" as a name.

All FMV sequences

Enter the character selection screen, select "Load", then enter "MULTIPLEX!" as a name.